Word.ws English Dictionary

phis

phis is the plural of phi.

Meaning of phi

Noun

phi (plural phis)

  1. Φ, the 21st letter of the Euclidean and modern Greek alphabet, usually romanized as "ph".
  2. The golden ratio.
  3. A visual illusion whereby a sequential pattern of lights produces a false sense of motion.
    • […] tolerance (Frenkel-Brunswik 1949) for it showed that those persons with the strongest defences against internal conflict, i.e. obsessionals and conversion hysterics, were those least able to perceive the reality-conflicting phenomenon of phi.1963, Psychology Through Experiment (George Humphrey, Jaroslav Antonio Deutsch), page 90

Questions about phis

What is phis the plural of?
Phis is the plural of phi.

Words near phis in the dictionary

  1. phirmaund
  2. phirmaunds
  3. phirni
  4. phirotope
  5. phirotopes
  6. phis
  7. phish
  8. phished
  9. phisher
  10. phisherman
  11. phishermen

Source and license

Adapted from Wiktionary: phis (page history and authors); phi (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “phis.” Word.ws, https://word.ws/phis. Based on Wiktionary, CC BY-SA 4.0.